<% if cart_item == @current_item %>
<tr id="current_item">
<%else%>
<tr>
<%end%>
  <td><%= cart_item.quantity %></td>
  <td><%=h cart_item.title %></td>
  <td class="item-price"><%= number_to_currency(cart_item.price)  %></td>
</tr>